UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'b7i7mQzq6P4t77TgCrnRULDXcIyAq53csZ3Rq5RLpnI=' 
WHERE 
  key_id = '6be881fad795a0aef9d00d3fb638177301c142322664a5ea2b62790cb989d8df' 
  AND (
    token = 'b7i7mQzq6P4t77TgCrnRULDXcIyAq53csZ3Rq5RLpnI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )