UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MPyEaeRy3YUIix5oZgtGQ01nU9Bmmt/Ik8chN94VFB0=' 
WHERE 
  key_id = '18912db07f09f3fbad30df3a88a1a04ad35edc2cb10cd58dbb4ff36e9a297bc9' 
  AND (
    token = 'MPyEaeRy3YUIix5oZgtGQ01nU9Bmmt/Ik8chN94VFB0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )