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SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = 'd4e860bfd7fb44013464b1c9e6c8596f9179c8f25c8cfa6b6240bd7e00ae7857' 
  AND token = 'wx2A59d8vf0oxByIUL62tIaR/0A4lTxQUn2qdp023z4=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00029

JSON explain

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