UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'R6+auQsc4Jy+54jpZNEJdr1bV1IrIyNdOqm3A2dF8ro=' 
WHERE 
  key_id = '7c5cd31a8c45a0fd4635064355689342a8658e5bb13536768de22d71ad5d087e' 
  AND (
    token = 'R6+auQsc4Jy+54jpZNEJdr1bV1IrIyNdOqm3A2dF8ro=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )