UPDATE 
  q_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PqEjigz9xde0n8DbjzRbvUGfdzj1a7qI7Jl0Jz9SI5o=' 
WHERE 
  key_id = 'b2f70c8d723dfc5d4abf6f6e949eea8cef3f2cd740800d600a3d0ef283c9ee2d' 
  AND (
    token = 'PqEjigz9xde0n8DbjzRbvUGfdzj1a7qI7Jl0Jz9SI5o=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )