UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'lw3Blt0hExXbFDYhPFDfa8Dk8piwMOzLtatuijdDZ1w=' 
WHERE 
  key_id = 'b4271b59785f1c503d0061c2202db5b1a4984794ced2bf43d110258e356c5a78' 
  AND (
    token = 'lw3Blt0hExXbFDYhPFDfa8Dk8piwMOzLtatuijdDZ1w=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )