UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '5hDnwyJzrx+ad/X1wQRNwnf4KoorU1g2fHLlCEPAMJE=' 
WHERE 
  key_id = '50ca2df03e10ac991369744adaff10c766c20d67faf0b79dba73f8c3d548e7d2' 
  AND (
    token = '5hDnwyJzrx+ad/X1wQRNwnf4KoorU1g2fHLlCEPAMJE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )