UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Q2RmOV26JLmQRPPt3AwV85XgOPciVhQ1U1IvddbOnSE=' 
WHERE 
  key_id = '51e19c418f9169b5f84f380db8c03de61bf0a491f2710c29980452539241246b' 
  AND (
    token = 'Q2RmOV26JLmQRPPt3AwV85XgOPciVhQ1U1IvddbOnSE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )