UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 300, 
  token = 'o/YI8B9B1Cgm+yrmA2uH4LsnErXhijk0sLtq3MBi5YU=' 
WHERE 
  key_id = 'e7c3fe2b0183f2a2c51e3ad079be406e6ad0b175c4afb3e463f3ce4b36a59951' 
  AND (
    token = 'o/YI8B9B1Cgm+yrmA2uH4LsnErXhijk0sLtq3MBi5YU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )