Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '62f0111b23aeca46ef737bf6a1e784d6526b86f5b70d1e130f93c180dffcd959' 
  AND token = '+axm89GCZBXWCBJO1dkL9AN2aQwB0kEo8QH/+HPWWRs=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00026

JSON explain

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