UPDATE 
  q_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'qTG/WGix0a93Pf3wJACGHm2YP/Sjid7qmsTfCNuNHzY=' 
WHERE 
  key_id = '27d04532dc9e9afcdde40fa85223816648ce63dc4b88fc639ad7434efee53d23' 
  AND (
    token = 'qTG/WGix0a93Pf3wJACGHm2YP/Sjid7qmsTfCNuNHzY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )