UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'DAyM8Vv7E/qT1pNXxuXYeqMxqyeAvhmHn2NUv4Br6fk=' 
WHERE 
  key_id = '821d57912dba41eee0b65bc60af50402b79cfc50bbbfb5dde590eadac2001c99' 
  AND (
    token = 'DAyM8Vv7E/qT1pNXxuXYeqMxqyeAvhmHn2NUv4Br6fk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )