UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'W2UO7YGTW6FGpuhKueHPhrVPBWfS//teKeXLx0lbaGk=' 
WHERE 
  key_id = 'b6d3991d076d280c535b2deb02045ccf803a9d7f130a6b87e750ce0b9ae3a370' 
  AND (
    token = 'W2UO7YGTW6FGpuhKueHPhrVPBWfS//teKeXLx0lbaGk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )