UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'um25FvMGG6UuD1w2nwsI2OhyZ3us9CPP6ZlGdKixkr4=' 
WHERE 
  key_id = '1893d5fe0c6fbdd6080d0b3b796081a1352671a6e800273f9d7300b9ce36ac84' 
  AND (
    token = 'um25FvMGG6UuD1w2nwsI2OhyZ3us9CPP6ZlGdKixkr4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )