UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'jD+caGqsku+EcgZjCgdKjSgYCXLq6rKTMyq99Jz3bx0=' 
WHERE 
  key_id = '7d506b0bd1a52a6063fda5f247afe657e764f0154fa29968e140e0fe355bb95a' 
  AND (
    token = 'jD+caGqsku+EcgZjCgdKjSgYCXLq6rKTMyq99Jz3bx0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00046