Sandbox

SELECT 
  1 
FROM 
  cscart_aprillock_keys 
WHERE 
  key_id = 'fe1938c9db7b99d7048c781b97ed64f9ec4419402c6668ee47113af9a2e5ee8d' 
  AND token = '57nCg/5bixekjB6jLs0CIIprRi4rSW1kLJIdtm1CBMI=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00050

JSON explain

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