Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '0cc22b00f528d33bd0cf30d647f56edd2a3e9123dc2ace2340528e0b457119f9' 
  AND token = '6Ql/2IMkPFJDIAWoHBjAc25qpgvYKu1GGmYWWdyprtc=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00025

JSON explain

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