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SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '2630409432055d2a5072c04ab39644bb7a6050724434636ccce77542ee8e2b8f' 
  AND token = 'XTPU8nF8YKnjCeoJ7+N9MBr+wWg08VDS2KScspWO+No=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00019

JSON explain

{
  "query_block": {
    "select_id": 1,
    "message": "no matching row in const table"
  }
}