UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'CX/nnhuEIuHG6IAUin4trP1PYsLEwbnat5RHNOp1rwM=' 
WHERE 
  key_id = '518693ee41da6ec996f2764690f0c8bc40f5c576cc2b2a6004ac9af6034cc13c' 
  AND (
    token = 'CX/nnhuEIuHG6IAUin4trP1PYsLEwbnat5RHNOp1rwM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )