UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ux+P+3WhNp1+Ga2CCvFjDmqjxs/aFLLwTlpl1GsItVk=' 
WHERE 
  key_id = '21b5a737f513b4d1c5203ec350bc40f8c421f7e7011daa99e7781c194f41cf15' 
  AND (
    token = 'ux+P+3WhNp1+Ga2CCvFjDmqjxs/aFLLwTlpl1GsItVk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )