Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = 'bd09ecf8f82eb6607c3ee81982d738b203fa654524cfac27d181cb50e81c7765' 
  AND token = 't7AOpJj9/lU2cbuUAwMl09f5gL/sn1huxhon/aiYtkE=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00032

JSON explain

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